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llvm-6502/test/CodeGen/X86/x32-function_pointer-1.ll

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[x32] Fix function indirect calls Summary: Zero-extend register to 64-bit for callq/jmpq. Test Plan: 3 tests added Reviewers: nadav, dschuff Subscribers: llvm-commits, zinovy.nis Differential Revision: http://reviews.llvm.org/D5355 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217942 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-17 07:09:23 +00:00
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 -fast-isel | FileCheck %s
; Test for x32 function pointer tail call
@foo1 = external global void (i8*)*
@foo2 = external global void (i8*)*
define void @bar(i8* %h) nounwind uwtable {
entry:
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-27 21:17:42 +00:00
%0 = load void (i8*)*, void (i8*)** @foo1, align 4
[x32] Fix function indirect calls Summary: Zero-extend register to 64-bit for callq/jmpq. Test Plan: 3 tests added Reviewers: nadav, dschuff Subscribers: llvm-commits, zinovy.nis Differential Revision: http://reviews.llvm.org/D5355 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217942 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-17 07:09:23 +00:00
; CHECK: movl foo1(%rip), %e{{[^,]*}}
tail call void %0(i8* %h) nounwind
; CHECK: callq *%r{{[^,]*}}
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-27 21:17:42 +00:00
%1 = load void (i8*)*, void (i8*)** @foo2, align 4
[x32] Fix function indirect calls Summary: Zero-extend register to 64-bit for callq/jmpq. Test Plan: 3 tests added Reviewers: nadav, dschuff Subscribers: llvm-commits, zinovy.nis Differential Revision: http://reviews.llvm.org/D5355 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217942 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-17 07:09:23 +00:00
; CHECK: movl foo2(%rip), %e{{[^,]*}}
tail call void %1(i8* %h) nounwind
; CHECK: jmpq *%r{{[^,]*}}
ret void
}
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